analyzer: remove output pane

It's all dockwidgets now.

Change-Id: Ia47ca9331fdfbe12ca11f77c26afc35e73a2fae3
Reviewed-on: http://codereview.qt.nokia.com/776
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/valgrind/callgrindtool.h

@@ -61,7 +61,6 @@ public:
     QWidget *createControlWidget();
 
     bool canRunRemotely() const { return true; }
-    bool needsOutputPane() const { return false; }
 
 private:
     CallgrindToolPrivate *d;